Description
This kit allows your engine to have full fueling to approximately 4000RPM, which greatly improves the driving experience of a stock truck, for trucks with injectors and more, this kit is a must! We highly recommend installing heavy duty 60lb valve springs if you plan on revving your engine to 3250RPM+.
Features:
- Enables full fueling up to approximately 4000 RPM.
- Greatly enhances the driving experience of a stock truck.
- Essential for trucks with upgraded injectors.
